package org.example.serializer;

import org.example.spi.SpiLoader;

import java.util.HashMap;
import java.util.Map;

/**
 * 序列化工厂(用于获取序列化器对象)
 */
public class SerializerFactory {
    /**
     * 序列化映射(用于实现单例)
     */
    /*private static final Map<String,Serializer> KEY_SERIALIZER_MAP = new HashMap<String,Serializer>() {{
        put(SerializerKeys.JDK, new JdkSerializer());
        put(SerializerKeys.JSON, new JsonSerializer());
        put(SerializerKeys.KRYO, new KryoSerializer());
        put(SerializerKeys.HESSIAN, new HessianSerializer());
    }};*/

    static {
        SpiLoader.load(Serializer.class);
    }

    /**
     * 默认序列化器
     */
    private static final Serializer DEFAULT_SERIALIZER = new JdkSerializer();

    /**
     * 获取实例
     * @param key
     * @return
     */
    public static Serializer getInstance(String key) {
        System.out.println(Thread.currentThread().getName() + "执行SerializerFactory中的getInstance方法");
        return SpiLoader.getInstance(Serializer.class,key);
    }
}
